From 0ae2316523639787a8119b6ea6232fad707376da Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Mon, 5 May 2025 23:37:43 -0300
Subject: [PATCH] use IndexByte instead of IndexRune everywhere because it's
 faster.

---
 envelopes.go         | 4 ++--
 envelopes_default.go | 4 ++--
 helpers.go           | 8 ++++----
 nip27/blocks.go      | 2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/envelopes.go b/envelopes.go
index 5c32def..28dab48 100644
--- a/envelopes.go
+++ b/envelopes.go
@@ -22,11 +22,11 @@ type MessageParser interface {
 
 // Deprecated: use NewMessageParser instead
 func ParseMessage(message string) Envelope {
-	firstQuote := strings.IndexRune(message, '"')
+	firstQuote := strings.IndexByte(message, '"')
 	if firstQuote == -1 {
 		return nil
 	}
-	secondQuote := strings.IndexRune(message[firstQuote+1:], '"')
+	secondQuote := strings.IndexByte(message[firstQuote+1:], '"')
 	if secondQuote == -1 {
 		return nil
 	}
diff --git a/envelopes_default.go b/envelopes_default.go
index 089c038..2119427 100644
--- a/envelopes_default.go
+++ b/envelopes_default.go
@@ -14,11 +14,11 @@ func NewMessageParser() MessageParser {
 type messageParser struct{}
 
 func (messageParser) ParseMessage(message string) (Envelope, error) {
-	firstQuote := strings.IndexRune(message, '"')
+	firstQuote := strings.IndexByte(message, '"')
 	if firstQuote == -1 {
 		return nil, errors.New("malformed json")
 	}
-	secondQuote := strings.IndexRune(message[firstQuote+1:], '"')
+	secondQuote := strings.IndexByte(message[firstQuote+1:], '"')
 	if secondQuote == -1 {
 		return nil, errors.New("malformed json")
 	}
diff --git a/helpers.go b/helpers.go
index 1538cbe..c0f8667 100644
--- a/helpers.go
+++ b/helpers.go
@@ -191,7 +191,7 @@ func extractEventID(jsonStr string) ID {
 	}
 
 	// move to the next quote
-	offset := strings.IndexRune(jsonStr[start+4:], '"')
+	offset := strings.IndexByte(jsonStr[start+4:], '"')
 	start += 4 + offset + 1
 
 	// get 64 characters of the id
@@ -208,7 +208,7 @@ func extractEventPubKey(jsonStr string) PubKey {
 	}
 
 	// move to the next quote
-	offset := strings.IndexRune(jsonStr[start+8:], '"')
+	offset := strings.IndexByte(jsonStr[start+8:], '"')
 	start += 8 + offset + 1
 
 	// get 64 characters of the pubkey
@@ -225,11 +225,11 @@ func extractDTag(jsonStr string) string {
 	}
 
 	// move to the next quote
-	offset := strings.IndexRune(jsonStr[start+4:], '"')
+	offset := strings.IndexByte(jsonStr[start+4:], '"')
 	start += 4 + offset + 1
 
 	// find the ending quote
-	end := strings.IndexRune(jsonStr[start:], '"')
+	end := strings.IndexByte(jsonStr[start:], '"')
 	if end == -1 {
 		return ""
 	}
diff --git a/nip27/blocks.go b/nip27/blocks.go
index 37b7eee..eb718fa 100644
--- a/nip27/blocks.go
+++ b/nip27/blocks.go
@@ -29,7 +29,7 @@ func Parse(content string) iter.Seq[Block] {
 		prevIndex := 0
 
 		for index < max {
-			pu := strings.IndexRune(content[index:], ':')
+			pu := strings.IndexByte(content[index:], ':')
 			if pu == -1 {
 				// reached end
 				break